Plug



FIG. 1 is a top plan view of a PLUG showing the new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view of the top, front, and right sides thereof; and

FIG. 8 is a perspective view of the bottom, rear, and left sides thereof.

The broken lines shown in the drawings illustrate portion of the PLUG that form no part of the claimed design. 

CLAIM The ornamental design for a PLUG, as shown and described. 